URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 460 NWS STORM PREDICTION CENTER NORMAN OK 720 PM CDT FRI AUG 2 2013 THE NWS STORM PREDICTION CENTER HAS ISSUED A * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF FAR NORTHWEST ARKANSAS CENTRAL AND EASTERN KANSAS SOUTHWEST MISSOURI NORTHERN OKLAHOMA * EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 720 PM UNTIL 200 AM CDT. * PRIMARY THREATS INCLUDE... SEVERAL LARGE HAIL EVENTS WITH A FEW VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 80 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 55 MILES NORTH NORTHWEST OF MEDICINE LODGE KANSAS TO 20 MILES EAST OF JOPLIN MISSOURI. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES. && DISCUSSION...HIGH-BASED STORMS ARE ALREADY DEVELOPING WITHIN A DEEPLY MIXED ENVIRONMENT ACROSS SOUTHWEST/SOUTH-CENTRAL KS...WITH THESE LIKELY TO CONTINUE TO INCREASE IN COVERAGE/INTENSITY INTO ADDITIONAL PORTIONS OF CENTRAL KS THIS EVENING...WHILE MAINLY ELEVATED STORMS OTHERWISE EXPAND/MOVE EAST-SOUTHEASTWARD ACROSS EASTERN KS/WESTERN MO/NORTHEAST OK. INITIAL RISK OF SEVERE HAIL WILL EXIST THIS EVENING...WITH DAMAGING WINDS POTENTIALLY BECOMING MORE OF A CONCERN BY LATE EVENING INTO THE OVERNIGHT AS POTENTIAL MCS DEVELOPMENT OCCURS. HEAVY RAINFALL WILL ALSO BE A CONCERN INTO THE OVERNIGHT. AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM MOTION VECTOR 27030. -----Richard N0MIO
Posted on: Sat, 03 Aug 2013 00:25:08 +0000
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